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Building a Mini Linux Kernel Object Registry Using SLAB, RCU, Hash Tables, Shrinkers, and Procfs Modern Linux kernels manage massive numbers of dynamically created objects. Examples include: Inodes D
Building a Simple Linux Kernel Object Cache Using SLAB Allocator Linux kernel development is very different from user-space programming. In user space, developers typically use: malloc(); free(); Ins
Introduction Most Linux kernel tutorials focus on writing kernel modules directly in C. Most compiler tutorials focus on parsers, ASTs, and code generation. What happens when we combine both? This pro
Building a Linux Kernel Memory Allocation Engine with a Control Plane / Data Plane Architecture Introduction Most Linux kernel module tutorials demonstrate a simple memory allocation example using kma
Scatter/Gather I/O in Linux: A Deep Dive into readv() and writev() Efficient data transfer is a cornerstone of high-performance systems programming. Linux provides powerful mechanisms to optimize inpu
Linux Kernel Sysfs: Driver-Grade Data Management Example Overview Linux kernel sysfs is often introduced using trivial module parameters or static variables.This project goes beyond that baseline and demonstrates a driver-grade sysfs design built aro...
Building a Linux Kernel Module for Memory and Per-Process RSS via /proc User-space utilities such as top, htop, and free present a polished view of system memory usage, but they abstract away substantial kernel-level mechanics. To understand how Linu...
Creating a production-grade Linux daemon requires more than simply running a program in the background.A correct daemon must detach from the controlling terminal, manage lifecycle files, respond predictably to operating system signals, and clean up a...
1️⃣ Introduction Traversing kernel data structures safely is one of the most common challenges for Linux kernel developers.For example, iterating over all running processes seems straightforward, but the task list may change while you are reading it....
